Information received on 06/02/2021 from Dr Zbyněk Semerád, Director General, Central Veterinary Administration, State Veterinary Administration, Prague, Czech Republic
Summary
Report type
Follow-up report No. 2
Date of start of the event
20/01/2021
Date of confirmation of the event
21/01/2021
Report date
06/02/2021
Date submitted to OIE
06/02/2021
Reason for notification
Recurrence of a listed disease
Date of previous occurrence
25/03/2020
Manifestation of disease
Clinical disease
Causal agent
Highly pathogenic avian influenza virusvirus
Serotype
H5N8
Nature of diagnosis
Laboratory (basic), Laboratory (advanced)
This event pertains to
the whole country
Related reports
Immediate notification (22/01/2021)
Follow-up report No. 1 (29/01/2021)
Follow-up report No. 2 (06/02/2021)
New outbreaks (2)

Outbreak 1
Otava (river), Strakonice, Strakonice, Jihocesky
Date of start of the outbreak
03/02/2021
Outbreak status
Resolved (05/02/2021)
Epidemiological unit
Not applicable
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Mute Swan:Cygnus olor(Anatidae)

1
1
0
0
Affected population
Mute swan was found dead near river Otava.
Outbreak 2
Stary u Soběslavi (pond), Soběslav, Tábor, Jihocesky
Date of start of the outbreak
04/02/2021
Outbreak status
Resolved (05/02/2021)
Epidemiological unit
Not applicable
Affected animals
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Mute Swan:Cygnus olor(Anatidae)

2
2
0
0
Affected population
2 dead mute swans were found near the pond.
Summary of outbreaks
Total outbreaks: 2
Total animals affected
Species
Susceptible
Cases
Deaths
Killed and disposed of
Slaughtered
Mute Swan:Cygnus olor(Anatidae)

3
3
0
0
Outbreak statistics
Species
Apparent morbidity rate
Apparent mortality rate
Apparent case fatality rate
Proportion susceptible animals lost*
Mute Swan:Cygnus olor(Anatidae)
**
**
100.00%
**
*Removed from the susceptible population through death, destruction and/or slaughter
**Not calculated because of missing information
Epidemiology
Source of the outbreak(s) or origin of infection
Unknown or inconclusive

Control measures
Measures applied
Official disposal of carcasses, by-products and waste
Control of wildlife reservoirs
Vaccination prohibited
No treatment of affected animals
Measures to be applied
No other measures
Diagnostic test results
Laboratory name and type
Species
Test
Test date
Result
State Veterinary Institute Prague (National laboratory)
Mute Swan
reverse transcription - polymerase chain reaction (RT-PCR)
04/02/2021
Positive
State Veterinary Institute Prague (National laboratory)
Mute Swan
reverse transcription - polymerase chain reaction (RT-PCR)
05/02/2021
Positive
Future Reporting
The event is continuing. Weekly follow-up reports will be submitted.